It is based on the relaxation integral constitutive relation to give the finite element control equation and analysis program for laminated composite plates.
以粘弹性材料松弛型积分本构关系为基础，给出了复合材料层合板的有限元控制方程及相应的有限元分析程序。
Introducing the plastic strain the differential constitutive equation for viscoelastic and plastic materials is deduced from multi-integral constitutive equation for nonlinear viscoelastic materials.
本文从非线性粘弹性物质的多重积分型本构方程出发，引入塑性应变，推导了粘弹塑性物质的微分型本构方程。
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